Walter Haeussermann (also spelled Häussermann; March 2, 1914 – December 8, 2010)[3] was a German-American aerospace engineer and member of the "von Braun rocket group", both at Peenemünde and later at Marshall Space Flight Center, where he was the director of the guidance and control laboratory.

[3] He stayed at Peenemünde 3 years, then returned to Darmstadt where he worked for Kreiselgeraete and Siemens to develop a gyroscopic guidance platform.

Haeussermann came to the United States in 1947 to rejoin von Braun's team, working on ballistic missile guidance and control engineering at Fort Bliss.

[3] At that time he was the director of the Guidance and Control Laboratory and head of the Astrionics Division of what is now Marshall Space Flight Center.

Haeussermann remained an enthusiastic supporter of the space program and attended reunions and public events regularly until his death.